3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t = 'hi'; $blah = 'r'; function test (&$test = $t) { echo $test; $test = 'hi'; echo $test; } test($blah); echo $blah;
Output for 5.4.0 - 5.4.29
Parse error: syntax error, unexpected '$t' (T_VARIABLE) in /in/F5aCo on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_VARIABLE in /in/F5aCo on line 4
Process exited with code 255.
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188.66 ms | 1395 KiB | 66 Q